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u64_stats: Introduce u64_stats_set() 

ANBZ: #8042

commit f2efdb1792 upstream.

Allow to directly set a u64_stats_t value which is used to provide an init
function which sets it directly to zero intead of memset() the value.

Add u64_stats_set() to the u64_stats API.

[bigeasy: commit message. ]

Signed-off-by: Ahmed S. Darwish <a.darwish@linutronix.de>
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Heng Qi <hengqi@linux.alibaba.com>
Reviewed-by: Xuan Zhuo <xuanzhuo@linux.alibaba.com>
Link: https://gitee.com/anolis/cloud-kernel/pulls/2659
This commit is contained in:
Ahmed S. Darwish 2021-10-16 10:49:06 +02:00 committed by 小龙
parent fd97184531
commit 06bdb1dc9e
1 changed files with 10 additions and 0 deletions
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10
include/linux/u64_stats_sync.h
View File

@ -83,6 +83,11 @@ static inline u64 u64_stats_read(const u64_stats_t *p)
return local64_read(&p->v);
}
static inline void u64_stats_set(u64_stats_t *p, u64 val)
{
local64_set(&p->v, val);
}
static inline void u64_stats_add(u64_stats_t *p, unsigned long val)
{
local64_add(val, &p->v);
@ -104,6 +109,11 @@ static inline u64 u64_stats_read(const u64_stats_t *p)
return p->v;
}
static inline void u64_stats_set(u64_stats_t *p, u64 val)
{
p->v = val;
}
static inline void u64_stats_add(u64_stats_t *p, unsigned long val)
{
p->v += val;